#include<iostream>

using namespace std;

int main()
{
	unsigned long quizl = 0;
	printf("%0ld\n",1ul << 27);
	quizl |= 1ul << 27;//将第27位置为1
	printf("%ld\n",quizl);
	quizl &= ~(1ul << 27);//将第27位置为0
	printf("%ld\n",quizl);
	bool status = quizl & (1ul << 27);//检查第27位是否为1
	cout << (status ? "True" : "False") << endl;
	return 0;
}
